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| 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 // Tests of reading and writing to variables. | |
| 6 | |
| 7 import 'expect.dart'; | |
| 8 | |
| 9 test0() { | |
| 10 var x0 = 0, x1; | |
| 11 Expect.isTrue(x0 == 0); | |
| 12 Expect.isTrue(x1 == null); | |
| 13 x0 = 1; | |
| 14 Expect.isTrue(x0 == 1); | |
| 15 Expect.isTrue((x0 = 2) == 2); | |
| 16 Expect.isTrue(x0 == 2); | |
| 17 } | |
| 18 | |
| 19 var x2 = 0, x3; | |
| 20 | |
| 21 test1() { | |
| 22 Expect.isTrue(x2 == 0); | |
| 23 Expect.isTrue(x3 == null); | |
| 24 x2 = 1; | |
| 25 Expect.isTrue(x2 == 1); | |
| 26 Expect.isTrue((x2 = 2) == 2); | |
| 27 Expect.isTrue(x2 == 2); | |
| 28 } | |
| 29 | |
| 30 class C { | |
| 31 static var x4 = 0; | |
| 32 static var x5; | |
| 33 } | |
| 34 | |
| 35 test3() { | |
| 36 Expect.isTrue(C.x4 == 0); | |
| 37 Expect.isTrue(C.x5 == null); | |
| 38 C.x4 = 1; | |
| 39 Expect.isTrue(C.x4 == 1); | |
| 40 Expect.isTrue((C.x4 = 2) == 2); | |
| 41 Expect.isTrue(C.x4 == 2); | |
| 42 } | |
| 43 | |
| 44 class D { | |
| 45 var x6 = 0; | |
| 46 var x7; | |
| 47 } | |
| 48 | |
| 49 test4() { | |
| 50 var d = new D(); | |
| 51 Expect.isTrue(d.x6 == 0); | |
| 52 Expect.isTrue(d.x7 == null); | |
| 53 d.x6 = 1; | |
| 54 Expect.isTrue(d.x6 == 1); | |
| 55 Expect.isTrue((d.x6 = 2) == 2); | |
| 56 Expect.isTrue(d.x6 == 2); | |
| 57 } | |
| 58 | |
| 59 main() { | |
| 60 test0(); | |
| 61 test1(); | |
| 62 test3(); | |
| 63 test4(); | |
| 64 } | |
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